Abstract: face.the sight beh , of glory. Like a butterfly that has just completed its metamorphosis: LED technology has finally , SpiceLEDâ¢ 29 Primaxâ¢ 32 5mm Through-hole LED 34 Product Part No Designation 37 Wavelength Grouping , Corporation that is equal amongst the worlds leading LED manufacturers. As an excellence - driven organization , products are Surface Mount Technology LED also commonly known as SMTLED and Quad Flat No-Lead Plastic ...